Analysis

  • max time kernel
    149s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27-09-2024 19:26

General

  • Target

    491eec6f62e89b017a00c2dccf51864afd6debf003a5e83d4081499a293d7221.exe

  • Size

    25KB

  • MD5

    342696fe21a53e26ed0fe6f07ab44807

  • SHA1

    fd7d1ed14e6afa230d0f3a572c5b1d17972e3ef5

  • SHA256

    491eec6f62e89b017a00c2dccf51864afd6debf003a5e83d4081499a293d7221

  • SHA512

    72abdefa832defa0bf71c15159571fec0456787492c411cf749a78fdb77a6af01121459c4e4f84e57bf5cdeea32dbf22e43cf7705a9082504ca2b091ed133101

  • SSDEEP

    384:5vcTz4TmmqZIQQptCtRZRe15p45cjAh+v2Y/Oz6JT8BNAZwBiy:5vkGQgctKp45h+OY/AC4Pl

Malware Config

Extracted

Family

njrat

Version

Njrat 0.7 Golden By Hassan Amiri

Botnet

HacKed

C2

harris974.ddns.net:5552

Mutex

Windows Update

Attributes
  • reg_key

    Windows Update

  • splitter

    |Hassan|

Signatures

  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • Drops startup file 2 IoCs
  • Executes dropped EXE 2 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 33 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Users\Admin\AppData\Local\Temp\491eec6f62e89b017a00c2dccf51864afd6debf003a5e83d4081499a293d7221.exe
    "C:\Users\Admin\AppData\Local\Temp\491eec6f62e89b017a00c2dccf51864afd6debf003a5e83d4081499a293d7221.exe"
    1⤵
    • Drops startup file
    • Adds Run key to start application
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4844
    • C:\Windows\SYSTEM32\schtasks.exe
      schtasks /create /sc minute /mo 1 /tn Server /tr C:\Users\Admin\AppData\Local\Temp/Server.exe
      2⤵
      • Scheduled Task/Job: Scheduled Task
      PID:4280
  • C:\Users\Admin\AppData\Local\Temp\Server.exe
    C:\Users\Admin\AppData\Local\Temp/Server.exe
    1⤵
    • Executes dropped EXE
    PID:2420
  • C:\Users\Admin\AppData\Local\Temp\Server.exe
    C:\Users\Admin\AppData\Local\Temp/Server.exe
    1⤵
    • Executes dropped EXE
    PID:1236

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0\UsageLogs\Server.exe.log

    Filesize

    408B

    MD5

    4a02286231546d5a837701befc9aeafa

    SHA1

    ca28fba9e5d36d4093ca5a5c0d9cc6fa88756710

    SHA256

    c55d933eb6b3c6317d6c0ef97e400222493bafa7cf2007e8b2fd0653288a560f

    SHA512

    5f27784009926af504353da5442acc75cb6509d942c3b7931f386408f5e0d6e4b0fec421f902b04af65ec3116850bb0e82e968d458b0632bb5f451bc5f4a7f93

  • C:\Users\Admin\AppData\Local\Temp\Server.exe

    Filesize

    25KB

    MD5

    342696fe21a53e26ed0fe6f07ab44807

    SHA1

    fd7d1ed14e6afa230d0f3a572c5b1d17972e3ef5

    SHA256

    491eec6f62e89b017a00c2dccf51864afd6debf003a5e83d4081499a293d7221

    SHA512

    72abdefa832defa0bf71c15159571fec0456787492c411cf749a78fdb77a6af01121459c4e4f84e57bf5cdeea32dbf22e43cf7705a9082504ca2b091ed133101

  • memory/1236-27-0x00007FFE50AC0000-0x00007FFE51461000-memory.dmp

    Filesize

    9.6MB

  • memory/1236-26-0x0000000001600000-0x0000000001612000-memory.dmp

    Filesize

    72KB

  • memory/1236-25-0x00007FFE50AC0000-0x00007FFE51461000-memory.dmp

    Filesize

    9.6MB

  • memory/1236-24-0x00007FFE50AC0000-0x00007FFE51461000-memory.dmp

    Filesize

    9.6MB

  • memory/1236-22-0x00007FFE50AC0000-0x00007FFE51461000-memory.dmp

    Filesize

    9.6MB

  • memory/2420-15-0x00007FFE50AC0000-0x00007FFE51461000-memory.dmp

    Filesize

    9.6MB

  • memory/2420-20-0x00007FFE50AC0000-0x00007FFE51461000-memory.dmp

    Filesize

    9.6MB

  • memory/2420-18-0x0000000001850000-0x0000000001862000-memory.dmp

    Filesize

    72KB

  • memory/2420-17-0x00007FFE50AC0000-0x00007FFE51461000-memory.dmp

    Filesize

    9.6MB

  • memory/2420-16-0x00007FFE50AC0000-0x00007FFE51461000-memory.dmp

    Filesize

    9.6MB

  • memory/4844-5-0x000000001C1E0000-0x000000001C27C000-memory.dmp

    Filesize

    624KB

  • memory/4844-12-0x0000000000FE0000-0x0000000000FE8000-memory.dmp

    Filesize

    32KB

  • memory/4844-11-0x00007FFE50AC0000-0x00007FFE51461000-memory.dmp

    Filesize

    9.6MB

  • memory/4844-9-0x00007FFE50D75000-0x00007FFE50D76000-memory.dmp

    Filesize

    4KB

  • memory/4844-10-0x00007FFE50AC0000-0x00007FFE51461000-memory.dmp

    Filesize

    9.6MB

  • memory/4844-6-0x00007FFE50AC0000-0x00007FFE51461000-memory.dmp

    Filesize

    9.6MB

  • memory/4844-0-0x00007FFE50D75000-0x00007FFE50D76000-memory.dmp

    Filesize

    4KB

  • memory/4844-4-0x000000001BE90000-0x000000001BF36000-memory.dmp

    Filesize

    664KB

  • memory/4844-3-0x0000000000FD0000-0x0000000000FE2000-memory.dmp

    Filesize

    72KB

  • memory/4844-2-0x000000001B9C0000-0x000000001BE8E000-memory.dmp

    Filesize

    4.8MB

  • memory/4844-1-0x00007FFE50AC0000-0x00007FFE51461000-memory.dmp

    Filesize

    9.6MB